It would be useful to have an efficient and simple data structure for
small and large dense matrices with lots of functionality. We have
uBLAS, but I'm not convinced of its efficiency for small matrices, and
it doesn't interface to LAPACK, which is why LAPACKMatrix was added.
There are a few libraries around that provide expression templates (for
nice syntax) and LAPACK/ATLAS interfaces, see for example
http://arma.sourceforge.net/
I think that wrapping such a library would be very useful and could be
better that having LAPACKMatrix, etc.
Garth
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